LED Penlight with pupil gage for Nurses, Doctors, and Medical Professional This diagnostic medical penlight from SurgicalOnline, perfect for those in the medical profession or home use, is a simple and easy way to examine eyes, ears, nose and throats of patients. First Responder 2PC Re-Usable Penlights Ideal for Nurse, EMT, Medic, Military, Police, Firefighter and First Responders - Detect Dilated or Constricted Pupils for Fast Diagnositc Includes 4 Triple AAA Batteries Sturdy and durable aluminum alloy material instead of plastic. A metal pocket clip design, allowing you to carry your penlight with you wherever you go. The pupil gage printed on side of pen allows for proper assessment of pupil size, and the built-in 5cm ruler adds a measure of convenience and utility. Ideal for your family's at home First-Aid Kit Examine sore throats, check ears or nose for any obstructions, or keep as a handy light around the house for a variety of uses. The prefect tool for Medical Professionals Built in pupil gauge simplifies your examinations, and the convenient clip and light weight design makes this doctor penlight easy to carry around. Nursing School This nurse penlight is also a great buy for Nursing Students as they gain hands on experience working with and examining patients. Give the Medical Professional in your Life a Thoughtful, Practical Gift Whether for Christmas, birthdays, or just to show that you care, SurgicalOnline's nursing penlight makes a great gift that can be used every day. They'll appreciate the simple, white design, portability, and the bright white light powered by LED technology. The LED bulbs are long lasting as well, ensuring that your gift can be appreciated for years to come.